/* =================================================================
   ✦ FOLIO — Nguyễn Hoàng Việt
   Dark cinematic landing · 8 distinct sections · breathing room
   ================================================================= */

:root {
  --bg:           #06070f;
  --bg-elev:      #0c0e1c;
  --bg-glass:     rgba(255, 255, 255, 0.035);
  --bg-glass-2:   rgba(255, 255, 255, 0.06);
  --border:       rgba(255, 255, 255, 0.10);
  --border-soft:  rgba(255, 255, 255, 0.06);

  --text:         #f0ecdf;
  --text-soft:    rgba(240, 236, 223, 0.78);
  --text-mute:    rgba(240, 236, 223, 0.55);
  --text-dim:     rgba(240, 236, 223, 0.38);

  --cyan:         #6db4ff;
  --cyan-glow:    rgba(109, 180, 255, 0.45);
  --cyan-soft:    rgba(109, 180, 255, 0.16);

  --gold:         #f0c450;
  --gold-glow:    rgba(240, 196, 80, 0.40);
  --gold-soft:    rgba(240, 196, 80, 0.14);

  --vermillion:   #ff6b50;
  --vermillion-soft: rgba(255, 107, 80, 0.16);

  --jade:         #6dd9b2;

  --sans:    "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:    "Geist Mono", ui-monospace, monospace;
  --serif:   "Instrument Serif", Georgia, serif;

  --col-wide:    1320px;
  --pad-x:       2rem;
  --radius:      18px;
  --radius-lg:   28px;
  --ease:        cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg:           #f4efe2;
  --bg-elev:      #ebe4cf;
  --bg-glass:     rgba(0, 0, 0, 0.025);
  --bg-glass-2:   rgba(0, 0, 0, 0.045);
  --border:       rgba(0, 0, 0, 0.10);
  --border-soft:  rgba(0, 0, 0, 0.06);

  --text:         #15181f;
  --text-soft:    rgba(21, 24, 31, 0.78);
  --text-mute:    rgba(21, 24, 31, 0.55);
  --text-dim:     rgba(21, 24, 31, 0.38);

  --cyan:         #1d6bcf;
  --cyan-glow:    rgba(29, 107, 207, 0.30);
  --cyan-soft:    rgba(29, 107, 207, 0.12);

  --gold:         #b8893a;
  --gold-glow:    rgba(184, 137, 58, 0.30);
  --gold-soft:    rgba(184, 137, 58, 0.12);

  --vermillion:   #c4451f;
  --vermillion-soft: rgba(196, 69, 31, 0.12);
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background 0.6s ease, color 0.6s ease;
}
body.is-loading { overflow: hidden; }


/* =================================================================
   BOOT — full-bleed loading overlay
   ================================================================= */
.boot {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%, rgba(109,180,255,0.10), transparent 70%),
    var(--bg);
  opacity: 1;
  transition: opacity 0.8s var(--ease-out);
}
body:not(.is-loading) .boot {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.7s var(--ease-out), visibility 0s linear 0.7s;
}

.boot__inner {
  display: grid;
  justify-items: center;
  gap: 1.4rem;
  text-align: center;
  padding: 2rem;
}

.boot__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px var(--cyan-glow), 0 0 40px var(--cyan-soft);
  animation: bootPulse 1.4s ease-in-out infinite;
}
@keyframes bootPulse {
  0%, 100% { transform: scale(1);   box-shadow: 0 0 14px var(--cyan-glow); }
  50%      { transform: scale(1.4); box-shadow: 0 0 26px var(--cyan-glow), 0 0 48px var(--cyan-soft); }
}

.boot__name {
  font-size: 0.72rem;
  letter-spacing: 0.42em;
  color: var(--text);
  text-transform: uppercase;
  opacity: 0;
  animation: bootRise 0.9s 0.15s var(--ease-out) forwards;
}

.boot__bar {
  position: relative;
  width: 140px;
  height: 1px;
  background: var(--border-soft);
  overflow: hidden;
  opacity: 0;
  animation: bootRise 0.9s 0.3s var(--ease-out) forwards;
}
.boot__bar-fill {
  position: absolute;
  inset: 0;
  width: 40%;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation: bootSlide 1.5s linear infinite;
}
@keyframes bootSlide {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

.boot__hint {
  font-size: 0.6rem;
  letter-spacing: 0.32em;
  color: var(--text-dim);
  text-transform: uppercase;
  opacity: 0;
  animation: bootRise 0.9s 0.45s var(--ease-out) forwards;
}

@keyframes bootRise {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}


a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { background: none; border: none; cursor: pointer; font: inherit; color: inherit; }
img { display: block; max-width: 100%; }

::selection { background: var(--cyan); color: var(--bg); }

.mono { font-family: var(--mono); font-weight: 400; letter-spacing: 0.06em; }
em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--gold);
}


/* =================================================================
   AMBIENT
   ================================================================= */
.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.ambient__stars {
  position: absolute;
  inset: 0;
  opacity: 0.55;
}
[data-theme="light"] .ambient__stars { opacity: 0.18; }

.ambient__rays {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 0%, var(--cyan-glow), transparent 60%),
    radial-gradient(ellipse 70% 60% at 80% 30%, var(--gold-glow), transparent 65%),
    radial-gradient(ellipse 50% 50% at 50% 100%, var(--vermillion-soft), transparent 70%);
  opacity: 0.32;
  filter: blur(70px);
  animation: raysShift 18s ease-in-out infinite alternate;
}
[data-theme="light"] .ambient__rays { opacity: 0.50; }
@keyframes raysShift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-3%, 2%) scale(1.04); }
}

.ambient__grain {
  position: absolute;
  inset: -50%;
  width: 200%; height: 200%;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.5'/></svg>");
  opacity: 0.05;
  mix-blend-mode: overlay;
  animation: grainShift 1.5s steps(6) infinite;
}
@keyframes grainShift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-2%, 1%); }
  50% { transform: translate(1%, -2%); }
  75% { transform: translate(-1%, -1%); }
  100% { transform: translate(2%, 1%); }
}


/* =================================================================
   CURSOR
   ================================================================= */
.cursor {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  display: none;
}
body.has-cursor .cursor { display: block; }
body.has-cursor,
body.has-cursor a,
body.has-cursor button,
body.has-cursor [data-cursor] { cursor: none; }
.cursor__dot,
.cursor__ring { position: absolute; top: 0; left: 0; pointer-events: none; will-change: transform; }
.cursor__dot {
  width: 6px; height: 6px;
  background: var(--text);
  border-radius: 50%;
  mix-blend-mode: difference;
}
.cursor__ring {
  width: 38px; height: 38px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  transition: width 0.3s var(--ease), height 0.3s var(--ease), background 0.3s ease, border-color 0.3s ease;
  background: rgba(109, 180, 255, 0.06);
}
.cursor.is-hover .cursor__dot { opacity: 0; }
.cursor.is-hover .cursor__ring {
  width: 66px; height: 66px;
  background: var(--cyan-soft);
  border-color: var(--gold);
}


/* =================================================================
   SCROLL PROGRESS
   ================================================================= */
.progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 90;
  background: transparent;
  pointer-events: none;
}
.progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--gold), var(--vermillion));
  box-shadow: 0 0 10px var(--cyan-glow);
  transition: width 0.12s linear;
}


/* =================================================================
   NAV
   ================================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 80;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1rem var(--pad-x);
  background: linear-gradient(180deg, rgba(6,7,15,0.7), rgba(6,7,15,0));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
[data-theme="light"] .nav {
  background: linear-gradient(180deg, rgba(244,239,226,0.72), rgba(244,239,226,0));
}

.nav__brand { display: inline-flex; align-items: center; gap: 0.6rem; }
.nav__brand-mark {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: grid; place-items: center;
  background: var(--bg-glass);
}
.nav__brand-dot {
  width: 10px; height: 10px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--cyan-glow);
  animation: pulseDot 2.4s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 12px var(--cyan-glow); }
  50%      { box-shadow: 0 0 22px var(--cyan-glow), 0 0 36px var(--cyan-soft); }
}
.nav__brand-text {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--text);
  text-transform: uppercase;
}

.nav__menu {
  display: flex;
  justify-content: center;
  gap: 1.3rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.nav__menu a {
  position: relative;
  padding: 0.4rem 0.1rem;
  transition: color 0.3s ease;
}
.nav__menu a::before {
  content: attr(data-num);
  margin-right: 0.4rem;
  color: var(--cyan);
  opacity: 0;
  transform: translateX(-4px);
  display: inline-block;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.nav__menu a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.nav__menu a:hover { color: var(--text); }
.nav__menu a:hover::before, .nav__menu a.is-active::before { opacity: 1; transform: translateX(0); }
.nav__menu a:hover::after  { transform: scaleX(1); }
.nav__menu a.is-active { color: var(--text); }

.nav__actions { display: flex; align-items: center; gap: 0.75rem; }

.theme-toggle {
  width: 48px; height: 26px;
  border-radius: 999px;
  padding: 2px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  transition: border-color 0.3s ease;
}
.theme-toggle:hover { border-color: var(--cyan); }
.theme-toggle__track { display: block; width: 100%; height: 100%; border-radius: 999px; position: relative; }
.theme-toggle__thumb {
  position: absolute;
  top: 50%;
  left: 2px;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan-glow);
  transition: left 0.4s var(--ease), background 0.4s ease;
}
[data-theme="light"] .theme-toggle__thumb {
  left: calc(100% - 20px);
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold-glow);
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease, transform 0.4s var(--ease);
}
.nav__cta:hover {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 22px var(--cyan-glow);
}
.nav__cta-arrow { transition: transform 0.3s ease; }
.nav__cta:hover .nav__cta-arrow { transform: translate(2px, -2px); }

@media (max-width: 1100px) {
  .nav { grid-template-columns: auto auto; gap: 1rem; padding: 0.85rem 1.25rem; }
  .nav__menu, .theme-toggle { display: none; }
}


/* =================================================================
   SECTION HEAD & UNIVERSAL TAGS
   ================================================================= */
.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  color: var(--cyan);
  text-transform: uppercase;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--cyan-soft);
  border-radius: 999px;
  background: var(--cyan-soft);
  backdrop-filter: blur(8px);
  margin-bottom: 1.5rem;
}
.section-tag--light {
  color: var(--gold);
  border-color: var(--gold-soft);
  background: var(--gold-soft);
}
.section-title {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.section-title--center { text-align: center; max-width: 22ch; margin-left: auto; margin-right: auto; }
.section-title em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(120deg, var(--cyan), var(--gold) 60%, var(--vermillion));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.section-sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--text-soft);
  max-width: 48ch;
  margin: 0 auto;
  text-align: center;
}
.head {
  max-width: var(--col-wide);
  margin: 0 auto 4rem;
  padding: 0 var(--pad-x);
  text-align: center;
}


/* =================================================================
   HERO
   ================================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  isolation: isolate;
  overflow: hidden;
  padding: 6rem var(--pad-x) 3rem;
}

.hero__bg { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.hero__image {
  position: absolute; inset: 0;
  background-size: cover;
  /* focal point — keeps the face in the upper third, above the text */
  background-position: 38% 32%;
  filter: saturate(1.04) brightness(0.94);
  animation: kenburns 32s ease-in-out infinite alternate;
}
@keyframes kenburns {
  0%   { transform: scale(1.04) translate(0, 0); }
  100% { transform: scale(1.10) translate(-1.5%, -1.5%); }
}
/* The veil is bottom-heavy: face stays clear at the top, text stays
   legible at the bottom. A whisper of side-fade keeps composition balanced. */
.hero__veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg,
      transparent 0%,
      transparent 42%,
      rgba(6,7,15,0.28) 60%,
      rgba(6,7,15,0.72) 86%,
      rgba(6,7,15,0.92) 100%),
    radial-gradient(ellipse 90% 60% at 50% 105%, rgba(6,7,15,0.55), transparent 70%),
    linear-gradient(100deg, rgba(6,7,15,0.32) 0%, rgba(6,7,15,0.10) 32%, transparent 60%);
}
[data-theme="light"] .hero__veil {
  background:
    linear-gradient(180deg,
      transparent 0%,
      transparent 42%,
      rgba(244,239,226,0.30) 60%,
      rgba(244,239,226,0.78) 86%,
      rgba(244,239,226,0.94) 100%),
    radial-gradient(ellipse 90% 60% at 50% 105%, rgba(244,239,226,0.55), transparent 70%),
    linear-gradient(100deg, rgba(244,239,226,0.35) 0%, rgba(244,239,226,0.10) 32%, transparent 60%);
}
.hero__beam {
  position: absolute;
  top: -20%;
  right: 5%;
  width: 60%; height: 140%;
  background:
    conic-gradient(from 240deg at 100% 50%,
      transparent 0deg,
      var(--cyan-soft) 30deg,
      var(--cyan-glow) 45deg,
      var(--cyan-soft) 60deg,
      transparent 90deg);
  filter: blur(40px);
  opacity: 0.28;
  mix-blend-mode: screen;
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--col-wide);
  width: 100%;
  margin: 0 auto;
  align-self: end;
  display: grid;
  gap: 2.25rem;
}

.hero__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  font-size: 0.7rem;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.badge__dot {
  width: 7px; height: 7px;
  background: var(--jade);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(109, 217, 178, 0.5);
  animation: pulseDot 2s ease-in-out infinite;
}
.hero__year {
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  color: var(--text-mute);
  text-transform: uppercase;
}

.hero__title {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(3rem, 11vw, 9rem);
  line-height: 0.96;
  letter-spacing: -0.045em;
  color: var(--text);
}
.hero__row {
  display: block;
  opacity: 0;
  transform: translateY(28px);
  animation: rowRise 1.1s var(--ease) forwards;
}
.hero__row--small {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.13em;
  letter-spacing: 0.32em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  animation-delay: 0.15s;
}
.hero__row--name {
  padding: 0.04em 0;
  animation-delay: 0.30s;     /* ALL three name lines fire together */
}
.hero__row--accent {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(120deg, var(--cyan) 0%, var(--gold) 50%, var(--vermillion) 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: rowRise 1.1s var(--ease) 0.30s forwards, shimmer 8s linear 0.5s infinite;
}
@keyframes shimmer {
  from { background-position: 0% 50%; }
  to   { background-position: 220% 50%; }
}
@keyframes rowRise { to { opacity: 1; transform: translateY(0); } }

.hero__sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.05rem, 1.7vw, 1.4rem);
  line-height: 1.55;
  color: var(--text-soft);
  max-width: 40rem;
  opacity: 0;
  animation: rise 1s 0.9s var(--ease) forwards;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: rise 1s 1.1s var(--ease) forwards;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.5rem;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.4s var(--ease), color 0.3s ease, border-color 0.3s ease, background 0.4s ease, box-shadow 0.4s ease;
  isolation: isolate;
  overflow: hidden;
  white-space: nowrap;
}
.btn__icon { transition: transform 0.35s ease; display: inline-block; }
.btn:hover .btn__icon { transform: translate(3px, -3px); }
.btn--primary {
  background: var(--cyan);
  color: var(--bg);
  box-shadow: 0 6px 30px var(--cyan-glow), 0 0 0 1px rgba(109,180,255,0.5);
}
.btn--primary:hover {
  background: var(--gold);
  color: var(--bg);
  box-shadow: 0 8px 40px var(--gold-glow), 0 0 0 1px rgba(240,196,80,0.6);
}
.btn--primary .btn__glow {
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle, rgba(255,255,255,0.4), transparent 50%);
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: -1;
}
.btn--primary:hover .btn__glow { opacity: 1; }
.btn--ghost {
  color: var(--text);
  border-color: var(--border);
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-soft);
}
.btn--xl { padding: 1.2rem 2rem; font-size: 1.05rem; }
.btn .copy-done { display: none; }
.btn.is-done .copy-default { display: none; }
.btn.is-done .copy-done { display: inline; color: var(--gold); }

.hero__foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .hero { padding-top: 5rem; }
  .hero__cta .btn { width: 100%; justify-content: center; }
}


/* =================================================================
   MARQUEE
   ================================================================= */
.marquee {
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  overflow: hidden;
  padding: 0.85rem 0;
  background: transparent;
  position: relative;
  z-index: 2;
}
.marquee__track {
  display: flex;
  gap: 2rem;
  white-space: nowrap;
  animation: marqueeRun 52s linear infinite;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.marquee__item em {
  font-family: var(--serif);
  font-style: italic;
  text-transform: none;
  letter-spacing: 0;
  color: var(--gold);
  font-weight: 400;
  font-size: 0.95rem;
}
.marquee__sep {
  color: var(--cyan);
  font-size: 0.7rem;
  align-self: center;
  opacity: 0.6;
}
@keyframes marqueeRun { to { transform: translateX(-50%); } }


/* =================================================================
   SPREAD · two-column (image + content)
   ================================================================= */
.spread {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 90vh;
  padding: 6rem 0;
  max-width: var(--col-wide);
  margin: 0 auto;
  gap: 3rem;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}
.spread--reverse > .spread__content { order: 1; }
.spread--reverse > .spread__image   { order: 2; }

.spread__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-glass);
  min-height: 540px;
  isolation: isolate;
}
.spread__img-inner {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-repeat: no-repeat;
  transition: transform 1.5s var(--ease);
  filter: saturate(1.02);
}
.spread__image:hover .spread__img-inner { transform: scale(1.04); }
.spread__img-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle 280px at var(--mx, 50%) var(--my, 50%), var(--cyan-glow), transparent 60%);
  opacity: 0;
  transition: opacity 0.5s ease;
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 2;
}
.spread__image:hover .spread__img-glow { opacity: 0.45; }
.spread__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(6,7,15,0.55));
  pointer-events: none;
}
[data-theme="light"] .spread__image::after {
  background: linear-gradient(180deg, transparent 55%, rgba(244,239,226,0.55));
}
.spread__plate {
  position: absolute;
  bottom: 1.2rem;
  left: 1.2rem;
  z-index: 3;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--text-soft);
  text-transform: uppercase;
  padding: 0.4rem 0.75rem;
  background: rgba(6, 7, 15, 0.55);
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(8px);
}

.spread__content {
  display: flex;
  align-items: center;
  padding: 2rem 0;
}
.spread__inner {
  width: 100%;
  max-width: 540px;
}

.prose {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-soft);
  margin-bottom: 1.25rem;
}
.prose--lead {
  font-size: 1.3rem;
  color: var(--text);
}
.prose strong {
  font-weight: 600;
  color: var(--text);
  font-family: var(--sans);
}
.prose em { color: var(--gold); }

.sig {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 2.5rem;
}
.sig__line {
  width: 40px;
  height: 1px;
  background: var(--gold);
}
.sig__text {
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  color: var(--text-mute);
  text-transform: uppercase;
}

/* Origin meta */
.origin__meta {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.origin__meta-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1rem;
  align-items: baseline;
  font-size: 0.95rem;
  color: var(--text);
}
.origin__meta-row .mono:first-child {
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  color: var(--cyan);
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .spread { grid-template-columns: 1fr; min-height: auto; padding: 4rem var(--pad-x); gap: 2rem; }
  .spread--reverse > .spread__content,
  .spread--reverse > .spread__image { order: initial; }
  .spread__image { min-height: 56vh; }
  .spread__inner { max-width: 100%; }
}


/* =================================================================
   04 · EDUCATION
   ================================================================= */
.education {
  position: relative;
  z-index: 2;
  padding: 7rem var(--pad-x);
  text-align: center;
}
.education__inner {
  max-width: 880px;
  margin: 0 auto;
}

.diploma {
  position: relative;
  margin-top: 4rem;
  padding: 4rem 2rem 3rem;
  background:
    linear-gradient(180deg, var(--bg-glass), var(--bg-glass-2)),
    radial-gradient(ellipse at center, var(--gold-soft) 0%, transparent 65%);
  border: 1px solid var(--gold-soft);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
  isolation: isolate;
}
.diploma::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle 280px at 50% 0%, var(--gold-glow), transparent 60%);
  opacity: 0.45;
  pointer-events: none;
  z-index: -1;
}
.diploma__corner {
  position: absolute;
  width: 28px; height: 28px;
  border: 1px solid var(--gold);
}
.diploma__corner--tl { top: 14px; left: 14px;     border-right: 0; border-bottom: 0; }
.diploma__corner--tr { top: 14px; right: 14px;    border-left: 0; border-bottom: 0; }
.diploma__corner--bl { bottom: 14px; left: 14px;  border-right: 0; border-top: 0; }
.diploma__corner--br { bottom: 14px; right: 14px; border-left: 0; border-top: 0; }

.diploma__seal {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  padding: 0.5rem 1rem;
  border: 1px solid var(--gold);
  border-radius: 999px;
  text-transform: uppercase;
  margin-bottom: 2rem;
}
.diploma__degree {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  line-height: 1.0;
  letter-spacing: -0.035em;
  color: var(--text);
  margin-bottom: 2rem;
}
.diploma__degree em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(120deg, var(--gold), var(--vermillion));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.diploma__rule {
  width: 80px;
  height: 1px;
  background: var(--gold);
  margin: 0 auto 2rem;
  opacity: 0.7;
}
.diploma__where {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 3rem;
}
.diploma__label {
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.diploma__name {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  color: var(--gold);
  letter-spacing: -0.01em;
}
.diploma__sub {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--text-mute);
  text-transform: uppercase;
}

.diploma__stats {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  max-width: 600px;
  margin: 0 auto;
}
.dstat { display: flex; flex-direction: column; gap: 0.4rem; align-items: center; }
.dstat__num {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text);
}
.dstat__label {
  font-size: 0.65rem;
  letter-spacing: 0.28em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.dstat__divider {
  width: 1px;
  height: 30px;
  background: var(--border);
}

@media (max-width: 700px) {
  .diploma__stats { grid-template-columns: 1fr; gap: 1.5rem; }
  .dstat__divider { width: 30px; height: 1px; }
}


/* =================================================================
   05 · TOOLKIT bento
   ================================================================= */
.toolkit {
  position: relative;
  z-index: 2;
  padding: 7rem 0;
}

.bento {
  max-width: var(--col-wide);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 1rem;
}

.tile {
  position: relative;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.85rem;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.4s ease, background 0.4s ease, box-shadow 0.5s ease;
  transform-style: preserve-3d;
}
.tile::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: radial-gradient(circle 220px at var(--mx, 50%) var(--my, 50%), rgba(109,180,255,0.10), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.tile:hover {
  border-color: var(--cyan-soft);
  background: var(--bg-glass-2);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.40), 0 0 0 1px var(--cyan-soft);
}
[data-theme="light"] .tile:hover { box-shadow: 0 14px 40px rgba(0, 0, 0, 0.10), 0 0 0 1px var(--cyan-soft); }
.tile:hover::before { opacity: 1; }

.tile__num {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--cyan-soft);
  border-radius: 999px;
  background: var(--cyan-soft);
}
.tile__title {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 0.85rem;
}
.tile__title em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
}
.tile__body {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--text-soft);
  margin-bottom: 0.5rem;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}
.chip-list li {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-glass);
  color: var(--text-soft);
  transition: border-color 0.3s ease, color 0.3s ease, background 0.3s ease;
}
.chip-list li:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-soft);
}

.tile--frontend { grid-column: 1 / span 2; grid-row: 1; min-height: 280px; background: linear-gradient(135deg, rgba(109,180,255,0.10), var(--bg-glass)); }
.tile--backend  { grid-column: 3;          grid-row: 1; }
.tile--data     { grid-column: 1;          grid-row: 2; }
.tile--ops      { grid-column: 2;          grid-row: 2; }
.tile--beyond   { grid-column: 3;          grid-row: 2; background: linear-gradient(135deg, rgba(240,196,80,0.10), var(--bg-glass)); }

@media (max-width: 900px) {
  .bento { grid-template-columns: 1fr 1fr; }
  .tile--frontend { grid-column: 1 / -1; }
  .tile--backend, .tile--data, .tile--ops, .tile--beyond { grid-column: auto; grid-row: auto; }
}
@media (max-width: 600px) {
  .bento { grid-template-columns: 1fr; }
  .tile--frontend, .tile--backend, .tile--data, .tile--ops, .tile--beyond { grid-column: 1; }
}


/* =================================================================
   06 · LIFE — gallery
   ================================================================= */
.life {
  position: relative;
  z-index: 2;
  padding: 7rem 0;
}

.frame-grid {
  max-width: var(--col-wide);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(280px, auto);
  gap: 1rem;
}

.frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  transition: border-color 0.4s ease, box-shadow 0.5s ease;
}
.frame:hover {
  border-color: var(--gold);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}
.frame__img {
  position: absolute;
  inset: 0;
  background-size: cover;
  filter: saturate(0.95);
  transition: transform 1.4s var(--ease), filter 0.5s ease;
}
.frame:hover .frame__img { transform: scale(1.08); filter: saturate(1.1); }
.frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(6,7,15,0.85));
  pointer-events: none;
}
.frame figcaption {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 2;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.85rem;
  align-items: baseline;
  font-size: 0.8rem;
  color: var(--text);
  transform: translateY(8px);
  opacity: 0.85;
  transition: opacity 0.4s ease, transform 0.5s var(--ease);
}
.frame:hover figcaption { transform: translateY(0); opacity: 1; }
.frame figcaption .mono { font-size: 0.62rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--cyan); }
.frame figcaption em { color: var(--gold); }

.frame--big      { grid-column: 1 / span 4; grid-row: span 2; }
.frame--portrait { grid-column: 5 / span 2; grid-row: span 1; }
.frame--wide     { grid-column: span 3; grid-row: span 1; }

@media (max-width: 900px) {
  .frame-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: minmax(220px, auto); }
  .frame--big      { grid-column: 1 / -1; grid-row: span 1; }
  .frame--portrait { grid-column: span 1; }
  .frame--wide     { grid-column: 1 / -1; }
}
@media (max-width: 540px) {
  .frame-grid { grid-template-columns: 1fr; }
  .frame--big, .frame--portrait, .frame--wide { grid-column: 1; }
}


/* =================================================================
   07 · PHILOSOPHY — atmospheric quote
   ================================================================= */
.philosophy {
  position: relative;
  z-index: 2;
  padding: 9rem var(--pad-x);
  min-height: 90vh;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  text-align: center;
}
.philosophy__bg {
  position: absolute; inset: 0; z-index: -1;
  background-size: cover;
  background-position: center 40%;
  filter: saturate(0.85) brightness(0.55);
  animation: kenburns 26s ease-in-out infinite alternate;
}
.philosophy__veil {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 70% 50% at 50% 50%, transparent 25%, rgba(6,7,15,0.85) 100%),
    linear-gradient(180deg, rgba(6,7,15,0.7) 0%, rgba(6,7,15,0.35) 30%, rgba(6,7,15,0.35) 70%, rgba(6,7,15,0.85) 100%);
}
[data-theme="light"] .philosophy__veil {
  background:
    radial-gradient(ellipse 70% 50% at 50% 50%, transparent 25%, rgba(244,239,226,0.92) 100%),
    linear-gradient(180deg, rgba(244,239,226,0.7) 0%, rgba(244,239,226,0.35) 30%, rgba(244,239,226,0.35) 70%, rgba(244,239,226,0.92) 100%);
}
.philosophy__glow {
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(ellipse 50% 35% at 50% 50%, var(--gold-glow), transparent 70%);
  opacity: 0.35;
  filter: blur(50px);
}
.philosophy__inner { max-width: 760px; }

.quote-mark {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 8rem;
  line-height: 0.6;
  color: var(--gold);
  margin-bottom: 1.5rem;
  text-shadow: 0 0 30px var(--gold-glow);
}
.philosophy__quote {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(2.4rem, 7vw, 5.5rem);
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 2rem;
}
.philosophy__quote em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(120deg, var(--cyan), var(--gold), var(--vermillion));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.philosophy__sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--text-soft);
  margin-bottom: 2.5rem;
}
.philosophy__sub .mono {
  display: block;
  margin-top: 0.5rem;
  font-style: normal;
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.philosophy__rule {
  width: 50px;
  height: 1px;
  background: var(--gold);
  margin: 0 auto 2rem;
  opacity: 0.7;
}
.philosophy__body {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--text-soft);
  max-width: 48ch;
  margin: 0 auto;
}


/* =================================================================
   08 · CONTACT
   ================================================================= */
.contact {
  position: relative;
  z-index: 2;
  padding: 8rem var(--pad-x) 5rem;
  min-height: 90vh;
  overflow: hidden;
  isolation: isolate;
  text-align: center;
}
.contact__bg {
  position: absolute; inset: 0; z-index: -1;
  background-size: cover;
  background-position: center 50%;
  filter: saturate(0.85) brightness(0.55);
  animation: kenburns 25s ease-in-out infinite alternate;
}
.contact__veil {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, transparent 25%, rgba(6,7,15,0.85) 100%),
    linear-gradient(180deg, rgba(6,7,15,0.7) 0%, rgba(6,7,15,0.3) 30%, rgba(6,7,15,0.3) 70%, rgba(6,7,15,0.92) 100%);
}
[data-theme="light"] .contact__veil {
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, transparent 25%, rgba(244,239,226,0.92) 100%),
    linear-gradient(180deg, rgba(244,239,226,0.7) 0%, rgba(244,239,226,0.3) 30%, rgba(244,239,226,0.3) 70%, rgba(244,239,226,0.92) 100%);
}
.contact__glow {
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(ellipse 60% 40% at 50% 60%, var(--gold-glow), transparent 70%);
  opacity: 0.4;
  filter: blur(40px);
}
.contact__inner { max-width: 900px; margin: 0 auto; }

.contact__title {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(2.6rem, 8vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  color: var(--text);
  margin: 1.2rem 0 1.5rem;
}
.contact__title-italic em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(120deg, var(--cyan), var(--gold) 60%, var(--vermillion));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.contact__sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--text-soft);
  margin-bottom: 3rem;
}

.contact__cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.socials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin: 0 auto;
  max-width: 720px;
}
.socials li a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  text-align: left;
  transition: border-color 0.3s ease, background 0.3s ease, color 0.3s ease, transform 0.4s var(--ease);
}
.socials li a:hover {
  border-color: var(--cyan);
  background: var(--cyan-soft);
  color: var(--cyan);
}
.social__num { font-size: 0.7rem; letter-spacing: 0.28em; color: var(--cyan); text-transform: uppercase; }
.social__name { font-family: var(--sans); font-weight: 500; font-size: 1.05rem; color: var(--text); }
.social__arrow { font-family: var(--mono); color: var(--text-mute); transition: transform 0.4s var(--ease), color 0.3s ease; }
.socials li a:hover .social__arrow { transform: translate(4px, -4px); color: var(--gold); }
.socials li a:hover .social__name { color: var(--cyan); }

@media (max-width: 700px) {
  .socials { grid-template-columns: 1fr; }
  .contact__cta .btn { width: 100%; justify-content: center; }
}


/* =================================================================
   FOOTER
   ================================================================= */
.foot {
  position: relative;
  z-index: 2;
  padding: 2rem var(--pad-x);
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
}
.foot__row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  max-width: var(--col-wide);
  margin: 0 auto;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.foot__center { text-align: center; color: var(--cyan); }
.foot__row > *:last-child { text-align: right; }

@media (max-width: 700px) {
  .foot__row { grid-template-columns: 1fr; text-align: center; }
  .foot__center, .foot__row > *:last-child { text-align: center; }
}


/* =================================================================
   SCROLL REVEAL
   ================================================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}


/* =================================================================
   LAZY BACKGROUND IMAGES — placeholder + fade-in on load
   ================================================================= */
[data-bg] {
  background-color: var(--bg-elev);
}
.is-bg-loaded {
  animation: bgFadeIn 0.7s var(--ease-out);
}
@keyframes bgFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}


/* =================================================================
   MOTION
   ================================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}